[ovs-discuss] ovs-dpctl: flows with used=never

Jesse Gross jesse at nicira.com
Mon Aug 19 16:31:45 UTC 2013


The message indicates that a flow is already installed and will be hit
the next time a packet is processed for it. No packets have been
discarded.

On Sat, Aug 17, 2013 at 8:42 AM, Naveed Abbas <naveed.abbas at yahoo.com> wrote:
> Thanks for clarification.... by the way it means that no flow will be
> installed in the flow tables for such packet. does this imply that the
> packet will always be discarded?
>
> Syed Naveed Abbas Rizvi
>
>
>
> ________________________________
> From: Justin Pettit <jpettit at nicira.com>
> To: Naveed Abbas <naveed.abbas at yahoo.com>
> Cc: "discuss at openvswitch.org" <discuss at openvswitch.org>
> Sent: Saturday, 17 August 2013, 16:58
> Subject: Re: [ovs-discuss] ovs-dpctl: flows with used=never
>
> It means that a packet has never matched that flow in the datapath. The
> packet that generated the flow was handled by ovs-vswitchd, so it's not
> accounted for in the datapath flow table.
>
> --Justin
>
>
> On Aug 17, 2013, at 6:33 AM, Naveed Abbas <naveed.abbas at yahoo.com> wrote:
>
> Dear All
>
> I was wondering what is meant by used =never parameter in the output of
> ovs-dpctl dump-flows command. As far as I know dump-flow command prints
> flows that were recently matched in the switch flow tables, then what does
> never mean in this context?
>
> Syed Naveed Abbas Rizvi
>
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